Move test files to testdata dir

testdata/test.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ -n "$TRAVIS_BUILD_DIR" ]; then
+    cd $TRAVIS_BUILD_DIR 
+else
+	cd $GOPATH/src/github.com/thrasher-/gocryptotrader
+fi
+
+echo "" > testdata/coverage.txt
+
+for d in $(go list ./... | grep -v vendor); do
+    go test -race -coverprofile=profile.out -covermode=atomic -cover $d
+    if [ -f profile.out ]; then
+        cat profile.out >> testdata/coverage.txt
+        rm profile.out
+    fi
+done